QID 240220

Date Published: 2022-04-20

QID 240220: Red Hat Update for kernel-rt (RHSA-2022:1413)

the kernel-rt packages provide the real time linux kernel, which enables fine-tuning for systems with extremely high determinism requirements.

Security Fix(es):
  • kernel: fget: check that the fd still exists after getting a ref to it (cve-2021-4083)
  • kernel: cgroups v1 release_agent feature may allow privilege escalation (cve-2022-0492)
  • kernel: heap out of bounds write in nf_dup_netdev.c (cve-2022-25636)

Affected Products:

  • Red Hat enterprise linux for real time - telecommunications update service 8.4 x86_64
  • Red Hat enterprise linux for real time for nfv - telecommunications update service 8.4 x86_64



Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

Successful exploitation of this vulnerability could lead to a security breach or could affect integrity, availability, and confidentiality.

  • CVSS V3 rated as High - 7.8 severity.
  • CVSS V2 rated as High - 6.9 severity.
    • Solution
    Refer to Red Hat security advisory RHSA-2022:1413 for updates and patch information.
    Vendor References

    CVEs related to QID 240220

    CVE-2021-4083 | CVE-2022-0492 | CVE-2022-25636 |
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2022:1413 Red Hat Enterprise Linux URL Logo access.redhat.com/errata/RHSA-2022:1413
    By selecting these links, you may be leaving CVEreport webspace. We have provided these links to other websites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other websites that are more appropriate for your purpose. CVEreport does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, CVEreport does not endorse any commercial products that may be mentioned on these sites. Please address comments about any linked pages to [email protected].